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 FileMaker Pro Custom Functions

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DaysOfFebruary( myDate )

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  Average rating: 3.8  (45 votes)
  Discuss this Custom Function

Gjermund Gusland Thorsen, Gudthlandum Consulting

Gives you then number of days in February the year of myDate

Sample Input:
data from any date field
Sample Output:

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.


Gives you then number of days in February the year of myDate

Leap year issue
Leapyear issue

Based on the test addressed by: Fabrice Nordmann

Intended use: Choose ( Month( myDate ); 0; 31; DaysOfFebruary( myDate ); 31; 30; 31; 30; 31; 31; 30; 31; 30; 31 )

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


How about doing it this way:

Day ( Date ( 3 ; 1 ; Year ( myDate ) ) - 1 )

This gets the day number of the day before March 1 in the specified year.

Cheers, David

David Head, Darwin Australia
October 20, 2009 4:24pm

Why not this way:
Day ( Date ( 3 ; 0 ; Year ( myDate ) ) )

kade, Hamburg; Germany
October 27, 2009 7:40am

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Answer 9 + 1 =
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